/* Theme: no data-theme attribute = follow the system; data-theme="light" /
   "dark" (set by the header toggle, persisted in localStorage) forces one. */
:root {
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --border: rgba(11, 11, 11, 0.10);
  --good: #0ca30c;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --page: #0d0d0d;
    --surface: #1a1a19;
    --ink: #ffffff;
    --ink-2: #c3c2b7;
    --border: rgba(255, 255, 255, 0.10);
  }
}
:root[data-theme="dark"] {
  --page: #0d0d0d;
  --surface: #1a1a19;
  --ink: #ffffff;
  --ink-2: #c3c2b7;
  --border: rgba(255, 255, 255, 0.10);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--page);
  color: var(--ink);
}
header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 1rem 1.25rem 0;
}
h1 { font-size: 1.15rem; margin: 0; }
h2 { font-size: 0.95rem; margin: 1.5rem 0 0.5rem; color: var(--ink-2); }
main { padding: 1rem 1.25rem 3rem; max-width: 72rem; margin: 0 auto; }
.muted { color: var(--muted); font-size: 0.8rem; }
.header-right { display: flex; gap: 0.75rem; align-items: baseline; }

button {
  font: inherit;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.3rem 0.8rem;
  cursor: pointer;
}

/* login */
#login form {
  max-width: 20rem;
  margin: 4rem auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
#login h2 { margin: 0; color: var(--ink); }
#login label { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.85rem; color: var(--ink-2); }
#login input {
  font: inherit;
  color: var(--ink);
  background: var(--page);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.45rem 0.6rem;
}
.error { color: var(--critical); font-size: 0.85rem; margin: 0; min-height: 1em; }

/* dashboard cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.9rem;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.9rem 1rem;
}
.card-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
}
.card-head .name { font-weight: 600; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  color: var(--ink-2);
  white-space: nowrap;
}
.badge .dot {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: var(--muted);
}
.badge.ok .dot { background: var(--good); }
.badge.stale .dot { background: var(--warning); }
.badge.problem .dot { background: var(--serious); }
.badge.down .dot { background: var(--critical); }

.facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 1rem;
  margin: 0.6rem 0 0.2rem;
  font-size: 0.8rem;
  color: var(--ink-2);
  font-variant-numeric: tabular-nums;
}
.fail-list { margin: 0.5rem 0 0; padding: 0; list-style: none; font-size: 0.8rem; }
.fail-list li { color: var(--critical); }

details { margin-top: 0.6rem; font-size: 0.8rem; }
details summary { cursor: pointer; color: var(--muted); }
.check-table { width: 100%; border-collapse: collapse; margin-top: 0.4rem; }
.check-table td {
  padding: 0.2rem 0.4rem 0.2rem 0;
  border-top: 1px solid var(--border);
  color: var(--ink-2);
  vertical-align: top;
}
.check-table td.mark { width: 1.2rem; }
.check-table .fail td { color: var(--critical); }

/* events */
.events { margin: 0; padding: 0; list-style: none; font-size: 0.85rem; }
.events li {
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--ink-2);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}
.events .when { color: var(--muted); white-space: nowrap; font-variant-numeric: tabular-nums; }